tlb.c 2.4 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * Copyright 2008, 2011 Freescale Semiconductor, Inc.
  4. *
  5. * (C) Copyright 2000
  6. * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  7. */
  8. #include <common.h>
  9. #include <asm/mmu.h>
  10. struct fsl_e_tlb_entry tlb_table[] = {
  11. /* TLB 0 - for temp stack in cache */
  12. SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR, CONFIG_SYS_INIT_RAM_ADDR,
  13. MAS3_SX|MAS3_SW|MAS3_SR, 0,
  14. 0, 0, BOOKE_PAGESZ_4K, 0),
  15. SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024 , CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
  16. MAS3_SX|MAS3_SW|MAS3_SR, 0,
  17. 0, 0, BOOKE_PAGESZ_4K, 0),
  18. SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024 , CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
  19. MAS3_SX|MAS3_SW|MAS3_SR, 0,
  20. 0, 0, BOOKE_PAGESZ_4K, 0),
  21. SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024 , CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
  22. MAS3_SX|MAS3_SW|MAS3_SR, 0,
  23. 0, 0, BOOKE_PAGESZ_4K, 0),
  24. /* TLB 1 */
  25. /*
  26. * Entry 0:
  27. * FLASH(cover boot page) 16M Non-cacheable, guarded
  28. */
  29. SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
  30. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  31. 0, 0, BOOKE_PAGESZ_16M, 1),
  32. /*
  33. * Entry 1:
  34. * CCSRBAR 1M Non-cacheable, guarded
  35. */
  36. SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
  37. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  38. 0, 1, BOOKE_PAGESZ_1M, 1),
  39. /*
  40. * Entry 2:
  41. * LBC SDRAM 64M Cacheable, non-guarded
  42. */
  43. SET_TLB_ENTRY(1, CONFIG_SYS_LBC_SDRAM_BASE,
  44. CONFIG_SYS_LBC_SDRAM_BASE_PHYS,
  45. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_M,
  46. 0, 2, BOOKE_PAGESZ_64M, 1),
  47. /*
  48. * Entry 3:
  49. * CADMUS registers 1M Non-cacheable, guarded
  50. */
  51. SET_TLB_ENTRY(1, CADMUS_BASE_ADDR, CADMUS_BASE_ADDR_PHYS,
  52. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  53. 0, 3, BOOKE_PAGESZ_1M, 1),
  54. /*
  55. * Entry 4:
  56. * PCI and PCIe MEM 1G Non-cacheable, guarded
  57. */
  58. SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_MEM_VIRT, CONFIG_SYS_PCI1_MEM_PHYS,
  59. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  60. 0, 4, BOOKE_PAGESZ_1G, 1),
  61. /*
  62. * Entry 5:
  63. * PCI1 IO 1M Non-cacheable, guarded
  64. */
  65. SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_IO_VIRT, CONFIG_SYS_PCI1_IO_PHYS,
  66. MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  67. 0, 5, BOOKE_PAGESZ_1M, 1),
  68. /*
  69. * Entry 6:
  70. * PCIe IO 1M Non-cacheable, guarded
  71. */
  72. SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
  73. MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  74. 0, 6, BOOKE_PAGESZ_1M, 1),
  75. };
  76. int num_tlb_entries = ARRAY_SIZE(tlb_table);